-59.5% is the change from 637 to 258
Calculation steps:
[( 258 - 637 ) ÷ 637] x 100 = -59.5%
Formula
Percentage change = [(258 - 637) / 637] x 100
Subtract the new number by the original number
258 - 637 = -379
-379 ÷ 637 = -0.5949764521193093
-0.5949764521193093 x 100 = -59.5%